Trek Madone SL 5 Gen 8 Road Bike
The Madone SL 5 Gen 8 is perfect for riders seeking a featherweight road race bike for racing, club rides, or solo spins up winding canyons, balancing climbing efficiency and aerodynamics without compromise. Featuring an ultra-light OCLV 500 Carbon frame with aero tubing and IsoFlow comfort technology, this bike delivers performance and comfort. Its 2×12 Shimano 105 group set ensures clean mechanical shifts without the hassle of electronic systems, while tubeless wheels reduce rolling resistance and fight punctures. Hydraulic disc brakes provide reliable stopping power. The Madone SL 5 Gen 8 offers superbike performance with cost-effective components, leaving room in your budget for race fees and bike trips. It boasts Revolutionary Full System Foil aero tube shapes for optimized aerodynamics, a lightweight frame that excels on climbs, and Shimano’s reliable 105 group set for economical yet dependable shifting. With elite racing tech and hidden cable routing, this bike is built for speed, control, and affordability.
Technical Specification
| Frame | 500 Series OCLV Carbon, Full System Foil tube shaping, IsoFlow seat tube, RCS Headset System, electronic or mechanical routing, removable aero chain keeper, T47 BB, flat mount disc, UDH, 142×12 mm thru axle |
| Fork | Madone Gen 8 full carbon, tapered carbon steerer, internal brake routing, flat mount disc, 12x100mm chamfered thru axle |
| Weight | ML – 8.70 kg / 19.19 lbs (with tubes) |
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb). |
| Shifter | Shimano 105 R7120, 12-speed |
| Front derailleur | Shimano 105 R7100, braze-on, down swing |
| Rear derailleur | Shimano 105 R7100, 36T max cog |
| Crank | Shimano 105 R7100, 50/34 |
| Bottom bracket | Praxis, T47 threaded, internal bearing |
| Cassette | Shimano 105 7101, 11-34, 12-speed |
| Chain | Shimano SLX M7100, 12-speed |
| Max. chainring size | 1x 54T, 2x 56/43 |
| Wheel front | Bontrager Paradigm SL, Tubeless Ready, 21 mm rim width, 100×12 mm thru axle |
| Wheel rear | Bontrager Paradigm SL, Tubeless Ready, 21 mm rim width, 142×12 mm thru axle |
| Hub front | Bontrager alloy, sealed bearing, CenterLock disc, 100×12 mm thru axle |
| Skewer front | Bontrager Switch chamfered thru axle, removable lever |
| Hub rear | Bontrager alloy, sealed bearing, CenterLock disc, Shimano 11-speed freehub, 142×12 mm thru axle |
| Skewer rear | Bontrager Switch chamfered thru axle, removable lever |
| Rim | Bontrager Paradigm SL, Tubeless Ready, 24-hole, 21 mm width, Presta valve |
| Spokes | 14 g stainless steel, black |
| Tyre | Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700×28 mm |
| Max tyre size | 32 mm (as measured, see manual for details) |
| Saddle | Bontrager Aeolus Comp, steel rails |
| Seatpost | Madone aero carbon seat post |
| Handlebar | Bontrager Comp, alloy |
| Stem | Trek RCS Pro |
| Brake rotor | Shimano RT70, CentreLock, 160 mm |
| Rotor size | Max brake rotor sizes |
| Size | L, M, ML, S, XL, XS |
|---|---|
| Color | Black, Blue |




































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